Been looking for a small desktop amp to drive a bedroom 2.1 system and most of the popular ones only have stereo output.    http://www.ebay.com/itm/SMSL-Q5-Pro-Pure-Digital-HiFi-Amplifier-USB-Fiber-Coaxial-Optical-Audio-Power-/221785133239?hash=item33a36c90b7:g:~mQAAOSw5ZBWH1bF   this one...